Home / 8,178,597.50-12,268,023.40-2,421,913.46

Finding the Fourth Proportional to 8,178,597.50, 12,268,023.40 and 2,421,913.46

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Solution

The fourth proportional to 8,178,597.50, 12,268,023.40 and 2,421,913.46 is: 3,632,907.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,178,597.50 : 12,268,023.40 = 2,421,913.46 : x
  2. Step 2: Convert to fraction form
    8,178,597.50/12,268,023.40 = 2,421,913.46/x
  3. Step 3: Cross multiply
    8,178,597.50x = 12,268,023.40 × 2,421,913.46
  4. Step 4: Simplify right side
    8,178,597.50x = 29,712,091,000,054.96
  5. Step 5: Solve for x
    x = 29,712,091,000,054.96/8,178,597.50
  6. Step 6: Final answer
    x = 3,632,907.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.